1.

A sample of air is saturated with benzene (vapour pressure =100 mm Hg at 298 K) at 298 K, 750 mm Hg pressure.If it is isothermally compressed to one third of its initial volume, the final pressure of the system is

Answer»

2250 torr
2150 torr
2050 torr
1950 torr

Solution :Pressure of AIR =750-100=650mm of HG
on COMPRESSING `P_f=650xx3` MM of Hg
=1950 mm of Hg
So, `P_T=(1950+100)=2050` mm of Hg


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